Irizarry Silvestrini, Miguel F.

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    Evaluation of photovoltaic distributed generation on the voltage profile of distribution feeders
    (2011) Irizarry Silvestrini, Miguel F.; O’Neill Carrillo, Efraín; College of Engineering; Irizarry Rivera, Agustín; Orama Exclusa, Lionel; Department of Electrical and Computer Engineering; Pérez Aleg, Luis
    Distributed Generation (DG) is the term given to electric power generation systems of limited capacity operating in parallel with distribution circuits. Interest in DG has increased recently due to diverse factors. The interconnection of photovoltaic (PV) systems in particular has seen great advancements, and it is projected that the growth in PV DG capacity will continue. DG can provide benefits to customers and utilities, and their interconnection must be done carefully to maximize the benefits while not causing problems to the distribution circuits. Voltage rise, voltage fluctuations due to variations in the output of DGs and interruption of voltage regulation equipment are some of the issues that can surface with increasing penetration of DG in distribution networks. This project analyzes how variations in the point of interconnection and capacity of PV DG affect the voltage profile and losses in the feeder to which the system interconnects. Several feeder configurations, DG locations and penetration capacities are combined to establish which combination maximizes the voltage profile and minimizes the losses on the system. The interactions between a voltage regulator and DG are also analyzed.